Formation guide · ES

SL company formation in Spain: data for AI agents

Sociedad de responsabilidad limitada (Private limited company). Structured facts with an official source for each one, from the free Mandate Office tool get_formation_guide.

Facts

  • Minimum capital: Capital at least EUR 1 (Ley de Sociedades de Capital art. 4); special rules apply while below EUR 3,000. (source)
  • Notary required: yes. Public deed before a notary (LSC art. 20). (source)
  • Online formation: yes. CIRCE electronic formation; the deed is still executed before a notary. (source) unverified, check the source
  • Register: Registro Mercantil
  • Online portal: https://paeempresas.serviciosmin.gob.es. CIRCE / PAE points (online DUE), with notary.
  • Languages: es, ca, eu, gl
  • Non-resident founders: NIE (número de identidad de extranjero) for non-Spanish founders and directors. (source) unverified, check the source

Typical steps

  1. Choose the legal form and a company name; check name availability in the register.
  2. Draw up the instrument of constitution (articles), using the official template where offered.
  3. Pay in the share capital where required (bank or notary escrow, depending on the country).
  4. File the registration (online portal, notary or register office) with founders' and directors' identity data and beneficial owners.
  5. After registration: tax/VAT, social security and UBO steps (see get_post_formation).

EU framework: Directive (EU) 2019/1151 (online formation of private limited companies). Official fees are left out unless verified on an official page.

Call it

MCP (Streamable HTTP, JSON-RPC over POST)

curl -s https://mandateoffice.com/mcp \
  -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "get_formation_guide", "arguments": {"country": "ES", "legal_form": "SL"}}}'

REST

curl -s 'https://mandateoffice.com/api/formation/ES?legal_form=SL'

After formation (VAT, EORI, beneficial owners): get_post_formation or /api/post-formation/ES. All guides: /guides/.

Information only, no legal advice. Mandate Office never files documents or registrations on anyone's behalf. Check every fact at its source before relying on it. Data as published by the Mandate Office API on 2026-10-30; the API is the current version.